Desulfurizing agent

Details Desulfurizing agent Desulfurizing agent

1985-01-02

1985-09-10

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423244, B01D 5334

Patent

active

045405530

ABSTRACT:
A hardened product prepared by mixing cement with limestone or dolomite and hardening it by incorporating water can be used as a heat medium for a fluidized bed heating furnace and also act as a preferred desulfurizing agent having a high desulfurizing performance which can effectively absorb to eliminate the sulfur components in exhaust or product gases from the heating furnace.
The strength as the heat medium and the desulfurizing performance can further be increased by setting the cement content in the mixture between 10-70% by weight and the particle size for the mixture between 0.7 and 2.0 mm.
Furthermore, the desulfurizing agent can be produced preferably by previously setting the particle size of the mixture to less than 0.3 mm and then adding 5-20% by weight of the seed material between 0.3 mm and 1.2 mm in particle size, followed by pelletization.

REFERENCES:
patent: 2572510 (1951-10-01), Orsini
patent: 2758033 (1956-08-01), Burney et al.
patent: 3489582 (1970-01-01), Lindgren et al.
patent: 3558526 (1971-01-01), Hall et al.
patent: 3582377 (1971-06-01), Hays et al.
patent: 3853570 (1974-12-01), Nonis et al.
patent: 4316813 (1982-02-01), Voss
patent: 4390372 (1983-06-01), Hardin
patent: 4405372 (1983-09-01), Serafin et al.

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